TM1651 LED Driver Control IC with Keyboard Scan Interface

TM1651 LED Driver Control IC with Keyboard Scan Interface

Description
The TM1651 is a high-performance LED driver control IC designed for driving displays in various household appliances. Integrated with an MCU digital interface, data latch, LED high-voltage drive, and a keyboard scan interface, this product provides reliable and stable performance. It is commonly used in the display drive of electromagnetic ovens, microwave ovens, and other small household appliances. The TM1651 comes in SOP16 and DIP16 packaging for easy integration into your designs.

Key Features

• Power CMOS technology for efficient performance.
• Supports 7-segment × 4-bit display, compatible with common anode (CA) LED displays.
• Keyboard scan functionality (7×1 bits) with an enhanced anti-jamming circuit for accurate key identification.
• Brightness adjustment circuit with 8 levels of duty ratio for flexible brightness control.
• Serial interface (CLK, DIO) for easy communication.
• Built-in RC oscillator for reliable timing (450KHz ±5%).
• Power-on reset circuit to ensure stable startup.
• Automatic blanking circuit to prevent display issues during inactivity.
• Packaging: Available in both DIP16 and SOP16 options.

Applications
The TM1651 is primarily used in induction cookers, microwave ovens, and small home appliances for driving LED displays. Its versatility and performance make it an ideal choice for a range of household electronic products.